Exploring the: Know How - Injection Molding Zone



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How to Solve Uneven Clamping
Of the hundreds of variables involved in injection molding, clamping mechanisms and platens often get less attention than they deserve.
Article Published: 4/1/2009
Find the Source of Visual Defects
The appearance of visual defects on parts such as cracking, crazing, grooves, ripples, wave marks, and flaky brittleness often indicates more than an aesthetic problem.
Article Published: 7/1/2008
What to Do About Weak Weld Lines
Weld or knit lines are perhaps the most common and difficult injection molding defect to eliminate.
Article Published: 4/1/2008
Sticking Sprues or Parts? Lots of Possible Causes and Solutions
Material sticking in the mold can be a production killer, whether it is the sprue or the formed part in the cavity.
Article Published: 3/1/2007
Eliminate Surface Defects on Molded Parts
Visible defects on the surface of a molded part appear as dull, glossy, or hazy areas, or as a rippled surface, called orange peel.
Article Published: 7/1/2005
How to Stop Flash
Flashing of a part can occur for several reasons—from variations in the process or material to tooling trouble.
Article Published: 7/1/2004
What You Can Learn from Shot Profiles
Want to know more about your molding process? Need a better way to diagnose problems? There's no better tool than the electronic 'signature' provided by process-monitoring curves of cavity pressure and other variables. Here's a sampling of seven rea...
Article Published: 3/1/1999

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